Patent US3403310A successfully refreshed from Google Patents.
US3403310A
Expired / Lapsed
US
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Trigger circuit having adjustable upper and lower voltage trigger limits to control a servomotor in forward and reverse drive
Assignee: United States Department of the Navy
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Filing: 1965-04-05
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Granted: 1968-09-24
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Davidoff Dorsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:22
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/16; G05D3/1427; G05B; G05B2219/00; G05B2219/30; G05B2219/49; G05B2219/49382
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |